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////Chapter No 14 Air Standard Cycles
////Example No 14.5 Page No 308
///Find compression ratio
///Input data
clc;
clear;
P1=1; //Isentropic Compression in bar
P2=20; //Isentropic Compression in bar
//Consider air as the working fluid therefore
gamma1=1.4;
//Calculation
r=(P2/P1)**(1/gamma1); //Isentropic process
eta=100*(1-(1/(r^(gamma1-1)))); //Otto cycle air standard effeciency in %
//Output
printf('compression ratio= %f \n ',r);
printf('standard efficiency= %f percent \n',eta);
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